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Origin of Insignificant Strengthening Effect of CNTs in T6-Treated CNT/6061Al Composites
Zhao, K; Liu, ZY; Xiao, BL; Ni, DR; Ma, ZY; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2018-02-01
发表期刊ACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
卷号31期号:2页码:134-142
摘要Carbon nanotube (CNT)-reinforced 6061Al (CNT/6061Al) composites were fabricated via powder metallurgy combined with friction stir processing (FSP). CNTs were dispersed after FSP and accelerated the precipitation process of the CNT/6061Al composites. However, the strengthening effect of CNTs on the T6-treated materials was insignificant, while the composites under the FSP and solution treatment conditions exhibited increased strength compared to the matrix. Precipitate-free zones (PFZs) were detected around CNTs in the T6-treated CNT/6061Al composites, and a model was proposed to describe the effect of PFZs on strength. The calculations indicated that the strength of PFZs was similar to that of the T6-treated 6061Al. As a result, the strengthening effect of CNTs on the T6-treated CNT/6061Al composites was insignificant.; Carbon nanotube (CNT)-reinforced 6061Al (CNT/6061Al) composites were fabricated via powder metallurgy combined with friction stir processing (FSP). CNTs were dispersed after FSP and accelerated the precipitation process of the CNT/6061Al composites. However, the strengthening effect of CNTs on the T6-treated materials was insignificant, while the composites under the FSP and solution treatment conditions exhibited increased strength compared to the matrix. Precipitate-free zones (PFZs) were detected around CNTs in the T6-treated CNT/6061Al composites, and a model was proposed to describe the effect of PFZs on strength. The calculations indicated that the strength of PFZs was similar to that of the T6-treated 6061Al. As a result, the strengthening effect of CNTs on the T6-treated CNT/6061Al composites was insignificant.
部门归属[zhao, ke ; liu, zhen-yu ; xiao, bo-lyu ; ni, ding-rui ; ma, zong-yi] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [zhao, ke] univ chinese acad sci, beijing 100040, peoples r china ; [ma, zong-yi] guilin univ technol, minist educ, key lab new proc technol nonferrous met & mat, guilin 541004, peoples r china
关键词Aluminum-matrix Composites Walled Carbon Nanotubes Precipitate-free Zones Cu-mg Alloys Al-zn-mg Powder-metallurgy B4c/6061al Composites Mechanical-properties Interfacial Reaction Thermal-expansion
学科领域Metallurgy & Metallurgical Engineering
资助者National Key Research & Development Plan [2017YFB0703100]; Key Research Program of Frontier Sciences, CAS; National Natural Science Foundation of China [51501189]; CAS/SAFEA International Partnership Program for Creative Research Teams
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79528
专题中国科学院金属研究所
通讯作者Xiao, BL; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Zhao, K,Liu, ZY,Xiao, BL,et al. Origin of Insignificant Strengthening Effect of CNTs in T6-Treated CNT/6061Al Composites[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2018,31(2):134-142.
APA Zhao, K,Liu, ZY,Xiao, BL,Ni, DR,Ma, ZY,&Ma, ZY .(2018).Origin of Insignificant Strengthening Effect of CNTs in T6-Treated CNT/6061Al Composites.ACTA METALLURGICA SINICA-ENGLISH LETTERS,31(2),134-142.
MLA Zhao, K,et al."Origin of Insignificant Strengthening Effect of CNTs in T6-Treated CNT/6061Al Composites".ACTA METALLURGICA SINICA-ENGLISH LETTERS 31.2(2018):134-142.
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